converters/libiconv: update to 1.17 release (+)

New in 1.17:
* The libiconv library is now licensed under the LGPL version 2.1, instead of
  the LGPL version 2.0. The iconv program continues to be licensed under GPL
  version 3.
* Added converters for many single-byte EBCDIC encodings:
  IBM-{037,273,277,278,280,282,284,285,297,423,424,425,500,838,870,871,875},
  IBM-{880,905,924,1025,1026,1047,1097,1112,1122,1123,1130,1132,1137,1140},
  IBM-{1141,1142,1143,1144,1145,1146,1147,1148,1149,1153,1154,1155,1156,1157},
  IBM-{1158,1160,1164,1165,1166,4971,12712,16804}.
  They are available through the configure option '--enable-extra-encodings'.

converters/libiconv/Makefile

 PORTNAME=	libiconv
-PORTVERSION=	1.16
+PORTVERSION=	1.17
 CATEGORIES=	converters devel
 MASTER_SITES=	GNU
 

converters/libiconv/distinfo

-TIMESTAMP = 1569891121
-SHA256 (libiconv-1.16.tar.gz) = e6a1b1b589654277ee790cce3734f07876ac4ccfaecbee8afa0b649cf529cc04
-SIZE (libiconv-1.16.tar.gz) = 5166734
+TIMESTAMP = 1655671090
+SHA256 (libiconv-1.17.tar.gz) = 8f74213b56238c85a50a5329f77e06198771e70dd9a739779f4c02f65d971313
+SIZE (libiconv-1.17.tar.gz) = 5413283

converters/libiconv/files/patch-include-iconv.h.in

@@ -5,7 +5,7 @@
  #define _LIBICONV_H
  
 +#ifndef LIBICONV_PLUG
- #define _LIBICONV_VERSION 0x0110    /* version number: (major<<8) + minor */
+ #define _LIBICONV_VERSION 0x0111    /* version number: (major<<8) + minor */
  extern @DLL_VARIABLE@ int _libiconv_version; /* Likewise */
 +#endif